| 发明名称 | Microporous separator-film for double-layer capacitors | ||
| 摘要 | The invention relates to a biaxially orientated, single or multi-layered porous film made of propylene homopolymer and/or propylene block copolymer and ss-nucleation agent. Said film has a Gurley value of between 50 to <400 s and shrinkage in the longitudinal direction of <5% at 100 DEG C./1 hour, and a transverse shrinkage of <10% at 100 DEG C./1 hour. | ||
| 申请公布号 | US9025314(B2) | 申请公布日期 | 2015.05.05 |
| 申请号 | US201013637212 | 申请日期 | 2010.12.21 |
| 申请人 | Treofan Germany GmbH & Co. KG | 发明人 | Busch Detlef;Schmitz Bertram;Klein Dominic |
| 分类号 | H01G9/00;H01M2/16;B29C47/00;B29C55/00;B29C55/14;B32B5/32;C08J5/18;H01G11/52;B29C47/06;B29C47/14;B29C47/76;B29C47/88;B29C51/36;B29K23/00;B29K105/00;B29K105/04 | 主分类号 | H01G9/00 |
| 代理机构 | Drinker Biddle & Reath LLP | 代理人 | Drinker Biddle & Reath LLP |
| 主权项 | 1. A biaxially oriented, single- or multi-layered porous film, the porosity of which is produced by conversion of β-crystalline polypropylene when the film is stretched, said film comprising at least one porous layer, this layer containing propylene homopolymer and/or propylene block copolymer and β-nucleation agent, wherein the film has a Gurley value of 50 to 400 s and shrinkage in the longitudinal direction of <5% at 100° C./1 hour, and a transverse shrinkage at 100° C./1 hour of <10% and the film having a tear strength of >30 N/mm2 and the film further having a modulus of elasticity in the longitudinal direction of from 300 to 1800 N/mm2 and in the transverse direction of from 500 to 3000 N/mm2. | ||
| 地址 | DE | ||